The phrase "widespread corruption" refers to a situation where dishonest and unethical behavior is happening on a large scale across multiple areas or institutions. Full definition
A change to eradicate the perception of widespread corruption in public life and enhance the quality of governance in our nation. (ghanapoliticsonline.com)
The governor also faces the difficulties of convincing people to trust state government during a period of seemingly widespread corruption. (timesunion.com)
There is a significant risk that without proper regulation and auditing there will emerge widespread corruption and failure of due diligence in connection with such expenditure. (schoolsweek.co.uk)